CN118156866A - Connector and connector assembly - Google Patents
Connector and connector assembly Download PDFInfo
- Publication number
- CN118156866A CN118156866A CN202311645001.7A CN202311645001A CN118156866A CN 118156866 A CN118156866 A CN 118156866A CN 202311645001 A CN202311645001 A CN 202311645001A CN 118156866 A CN118156866 A CN 118156866A
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- Prior art keywords
- contact
- connector
- housing
- movable
- fixed
- Prior art date
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- 238000006073 displacement reaction Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 39
- 230000013011 mating Effects 0.000 claims 1
- 238000007667 floating Methods 0.000 abstract description 27
- 239000002184 metal Substances 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 238000003825 pressing Methods 0.000 description 11
- 239000000463 material Substances 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 238000005304 joining Methods 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000013459 approach Methods 0.000 description 5
- 229910000881 Cu alloy Inorganic materials 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
- H01R12/716—Coupling device provided on the PCB
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/91—Coupling devices allowing relative movement between coupling parts, e.g. floating or self aligning
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
- H01R12/70—Coupling devices
- H01R12/71—Coupling devices for rigid printing circuits or like structures
- H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
- H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Provided are a connector and a connector assembly which can expand a floating range without fixing metal parts or the like. A connector (1) is provided with: a plurality of contacts (10) arranged in parallel to form a 1 st row (R1) and a 2 nd row (R2), arranged on a reference surface (61A), and bonded to a bonding object (61); a fixed housing (20) surrounding the plurality of contacts (10) and disposed on a reference surface (61A); and a movable case (30) that divides the inside of the fixed case (20) into a 1 st row (R1) side and a 2 nd row (R2) side, and is disposed so as to be capable of relative displacement with respect to the fixed case (20). A facing portion (251) disposed facing the reference surface (61A) is formed on the inside of the fixed housing (20), and a part (322) of the movable housing (30) is disposed between the facing portion (251) and the reference surface (61A).
Description
Technical Field
The present invention relates to a connector and a connector assembly including the same.
Background
In order to mechanically and electrically connect constituent parts of various electronic devices, a connector assembly called a floating type (floating type) can be used. For example, as described in patent document 1, the connector assembly according to the present invention includes a 1 st connector including a contact bonded to a 1 st circuit board and a2 nd connector including a contact bonded to a2 nd circuit board.
In order not to obstruct the assembly of the 1st circuit board and the 2 nd circuit board due to the dimensional shape, processing and assembly tolerance, and in order to stably connect during vibration, the 1st connector and the 2 nd connector are configured as follows: the contact bent into a predetermined shape is elastically deformed, so that the contact can be fitted even when the contact is relatively displaced within a predetermined floating range (floatingrange).
The receptacle connector described in patent document 1 includes a lower housing, an upper housing inserted into the lower housing from above, and a plurality of receptacle contacts held by the lower housing and the upper housing, and is fitted to a plug connector.
The receptacle contacts are respectively formed in a shape having a plurality of bent portions and held by the lower case and the upper case. The upper case is assembled to the lower case by being engaged with the metal part. The metal component is bonded to the circuit board in order to strengthen the bonding of the socket contact and the circuit board. The upper case and the lower case are pressed against the circuit board by the metal member.
The socket contacts are elastically deformed in position-fit with the contacts of the header connector if the upper shell is brought into contact with the housing of the header connector and guided by the inclined surface.
Prior art literature
Patent literature
Patent document 1: chinese patent publication No. 113346285.
Disclosure of Invention
Problems to be solved by the invention
With the background of difficulty in tolerance management and miniaturization of contact pitch accompanying complication of the structure of electronic devices, expansion of the floating range of the connector is demanded.
Since the upper and lower housings of the receptacle connector described in patent document 1 are pressed against the circuit board by the metal parts to which they are attached, even if a slight relative displacement is possible, the floating range, which is the allowable range of the relative displacement, is insufficient for the requirements. In addition, metal parts for assembling the upper and lower cases are required.
The invention aims to provide a connector and a connector assembly which can enlarge a floating range without fixing metal parts and the like.
Means for solving the problems
The connector of the present invention comprises: a plurality of contacts that are arranged in parallel, form a1 st row and a 2 nd row, are arranged along a predetermined 1 st direction, are arranged on a reference surface including the 1 st direction and the 2 nd direction orthogonal to the 1 st direction, and are bonded to a bonding object; a fixed housing surrounding the plurality of contacts and disposed on the reference surface; and a movable case that divides the inside of the fixed case into a1 st row side and a 2 nd row side, and is disposed so as to be capable of relative displacement with respect to the fixed case in the 1 st and 2 nd directions. The contact is held to the fixed housing and the movable housing. The fixed housing has an opposing portion formed therein, the opposing portion being disposed to face the reference surface. A part of the movable housing is disposed between the opposing portion and the reference surface.
The connector assembly of the present invention includes the 1 st connector as the connector and the 2 nd connector fitted to the movable housing of the 1 st connector.
ADVANTAGEOUS EFFECTS OF INVENTION
The movable housing and the fixed housing are assembled by disposing a part of the movable housing between the opposing portion of the fixed housing and the reference surface of the object to be joined, and therefore the movable housing and the fixed housing are not restricted by the fitting metal parts or the like. Since the relative displacement between the movable case and the fixed case is not hindered by such a metal component, a clearance is provided between the movable case and the fixed case, and a sufficient floating range can be ensured over the whole clearance. Therefore, according to the present invention, it is possible to provide a connector and a connector assembly capable of expanding a floating range without fixing a metal part or the like.
The expansion of the floating range also contributes to stable connection of the contact pieces when vibration or impact is applied thereto when the electronic apparatus is used.
Drawings
Fig. 1 (a) is a perspective view showing a connector assembly according to an embodiment of the present invention. The connector assembly includes a1 st connector and a2 nd connector. FIG. 1 (b) is a sectional view taken along line Ib-Ib of FIG. 1 (a).
Fig. 2 (a) is a perspective view showing the 1 st connector. FIG. 2 (b) is a sectional view taken along line IIb-IIb of FIG. 2 (a).
Fig. 3 is an exploded perspective view of the 1 st connector (except for the ground contact connecting member).
Fig. 4 is a perspective view showing a fixed housing of the 1 st connector.
Fig. 5 (a) is a perspective view showing the movable housing of the 1 st connector. Fig. 5 (b) is a partially enlarged front view of the guide projection. Fig. 5 (c) is a partially enlarged side view of the guide projection.
Fig. 6 is a VI-VI sectional view of fig. 1 (a), which is a view showing a1 st gap existing between the fixed case and the movable case in the 1 st direction.
Fig. 7 is a bottom view from the direction of the VII arrow in fig. 1 (a), and is a view showing the 2 nd gap provided between the fixed case and the movable case in the 2 nd direction.
Fig. 8 (a) is a side view of the 1 st contact. Fig. 8 (b) is a perspective view of the 1 st contact, and fig. 8 (c) is a front view of the 1 st contact.
Fig. 9 is a perspective view of the ground contact connection member.
Fig. 10 is a bottom view of the ground contact connection member and the 1 st contact.
Fig. 11 (a) is a partially cut-away perspective view of the 2 nd connector. Fig. 11 (b) is a cross-sectional view of fig. 11 (a).
Fig. 12 is an exploded perspective view of the 2 nd connector.
Fig. 13 is a sectional view showing the 1 st connector and the 2 nd connector before fitting.
Fig. 14 is a sectional view showing a state in which the contact is elastically deformed in the 1 st direction when the 1 st connector is fitted with the 2 nd connector.
Fig. 15 is a plan view showing a state in which the contact is elastically deformed in the 1 st and 2 nd directions when the 1 st connector is fitted with the 2 nd connector.
Fig. 16 is a graph for explaining advantages of the ground contact-based connection member.
Detailed Description
Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
[ Overall composition ]
The connector assembly 100 shown in fig. 1 (a) and 1 (b) includes the 1 st connector 1 and the 2 nd connector 4 which are fitted to each other, and is used for mechanical connection and electrical connection between circuit boards included in various electronic devices.
First, the schematic configuration of the 1 st connector 1 and the 2 nd connector 4 will be described.
The 1 st connector 1 includes a plurality of 1 st contacts 10, a fixed housing 20 and a movable housing 30 that hold the plurality of 1 st contacts 10. The 1 st contact 10 is bonded to the 1 st circuit board 61 as a bonding target.
The 1 st contact 10 is arranged in parallel in the 1 st row R1 and the 2 nd row R2 along the predetermined 1 st direction x, and is arranged on the 1 st package surface 61A of the 1 st circuit board 61.
The 2 nd connector 4 includes a plurality of 2 nd contacts 40 and a housing 50 holding the plurality of 2 nd contacts 40. The 2 nd contacts 40 are bonded to the 2 nd circuit board 62.
The 2 nd contact 40 is also arranged in parallel to constitute the 1 st row r1 and the 2 nd row r2, similarly to the 1 st contact 10, and is arranged on the 2 nd package surface 62A of the 2 nd circuit board 62. If the 1 st connector 1 and the 2 nd connector 4 are mated, the 1 st contacts 10 of the 1 st column R1 are electrically connected to the 2 nd contacts 40 of the 1 st column R1, respectively, and the 1 st contacts 10 of the 2 nd column R2 are electrically connected to the 2 nd contacts 40 of the 2 nd column R2, respectively.
The 1 st connector 1 and the 2 nd connector 4 are fitted in a fitting direction z orthogonal to the 1 st and 2 nd package surfaces 61A and 62A in a state where the 1 st and 2 nd circuit substrates 61 and 62 are arranged in parallel. The 1 st package surface 61A includes a 1 st direction x and a2 nd direction y orthogonal to the 1 st direction x and the fitting direction z. The same applies to the 2 nd package face 62A.
In the present specification, the 1 st circuit board 61 side in the fitting direction z is referred to as a lower side, and the side opposite to the 1 st circuit board 61 side in the fitting direction z is referred to as an upper side.
As will be described later, the 1 st connector 1 of the present embodiment allows relative displacement between the 1 st circuit board 61 and the 2 nd circuit board 62 between the fixed housing 20 and the movable housing 30 over a floating range corresponding to the size of the gap set in each of the 1 st direction x and the 2 nd direction y.
[1 St connector structure ]
As shown in fig. 2 (a), 2 (b) and 3, the 1 st connector 1 includes a plurality of 1 st contacts 10, a fixed housing 20, and a movable housing 30 disposed so as to be relatively displaceable with respect to the fixed housing 20.
The 1 st connector 1 preferably includes a housing joining member 15 for joining the fixed housing 20 to the 1 st circuit board 61 and a ground contact connecting member 17 (fig. 9) for contacting a part of the contacts 10.
In some of the drawings, the ground contact connecting member 17 is not shown.
The 1 st contact 10 of the 1 st column R1 and the 1 st contact 10 of the 2 nd column R2 are arranged at equal intervals in the 1 st direction x and adjacently in the 2 nd direction y, respectively. In the present embodiment, the 1 st contact 10 of the 1 st row R1 and the 1 st contact 10 of the 2 nd row R2 are aligned so that the positions in the 1 st direction x coincide. Without being limited thereto, the 1 st contact 10 of the 1 st column R1 and the 1 st contact 10 of the 2 nd column R2 may be arranged shifted by a size of 1/2 of the pitch in the 1 st direction x.
The stationary case 20 is integrally formed by injection molding using an insulating resin material. The same applies to the movable housing 30.
(Fixed housing)
As shown in fig. 4, the stationary housing 20 includes: side walls 21, 22 and partial walls 23, 24 surrounding the plurality of 1 st contacts 10 and arranged on the 1 st package face 61A; an expansion wall 25 formed on both sides of the stationary housing 20 in the 1 st direction x so as to protrude in the 1 st direction x to the outside of the partial walls 23, 24; an engaging member holding portion 26 that holds the housing engaging member 15; a positioning boss 27 inserted into a hole (not shown) formed in the 1 st circuit board 61; and a leg 28 disposed on the 1 st package surface 61A.
In some of the drawings, the boss 27 is not shown.
The side walls 21 and 22 extend in the 1 st direction x in which the 1 st contact 10 is arranged, and face each other in the 2 nd direction y. The partial walls 23, 24 orthogonal to the side walls 21, 22 are disposed on both sides in the 2 nd direction y between the side walls 21, 22, and continuous with the expansion wall 25.
Inside the walls 21 to 24, a space having a rectangular shape in a plan view is formed in which the 1 st contact 10 is arranged.
The foot 28 is formed at the lower end of the 4 corners formed by the walls 21 to 24.
The side walls 21, 22 and the partial walls 23, 24 stand up with respect to the package face 61A from the respective lower ends (e.g., 21A) to the upper ends (e.g., 21B) slightly beyond the 1 st contact 10. A gap G is formed between the lower ends of the walls 21 to 24 and the 1 st package face 61A (fig. 1 (b)).
A holding groove 211 into which the 1 st contact 10 of the 1 st row R1 is pressed is formed near the lower end of the inner side of the side wall 21 at the same pitch as the 1 st contact 10.
Similarly, in the vicinity of the lower end of the inner side of the side wall 22, holding grooves 221 into which the 1 st contact 10 of the 2 nd row R2 is press-fitted are formed at the same pitch as the 1 st contact 10.
A chamfer 212 is formed on the inner side of the side wall 21 above the holding groove 211 to avoid interference between the 1 st contact 10 and the fixed housing 20. The chamfer 212 is formed from a position above the holding groove 221 to a position near the upper end 21B of the side wall 21. The chamfer 212 is inclined with respect to the fitting direction z in a direction away from the 1 st section 101 of the 1 st contact 10 in the 2 nd direction y as approaching the 1 st bent portion C1 from the fixed holding portion 10B.
A chamfer 222 similar to chamfer 212 is formed on the inner side of sidewall 22.
The expansion wall 25 is formed in a rectangular shape in a plan view from a wall rising in the fitting direction z from the lower end 25A to the upper end 25B. The upper end 25B is lower than the upper end 21B of the side wall 21 and the upper end 31B of the movable housing 30.
The expansion walls 25 receive a portion of each of the movable housing 30 and the 2 nd connector 4 inside on both sides of the fixed housing 20 in the 1 st direction x while facilitating the assembly of the fixed housing 20 with the movable housing 30. The expansion wall 25 sets a floating range by setting a gap between the fixed housing 20 and the movable housing 30.
The expansion wall 25 is preferably formed symmetrically in the 1st direction x with the walls 21 to 24 sandwiched therebetween.
As shown in fig. 6 and 7, the extension wall 25 has a facing portion 251 facing the 1 st sealing surface 61A on the inner side of the fixed housing 20. The opposing portion 251 sets a1 st gap G1 in the 1 st direction x between the fixed housing 20 and the movable housing 30.
The facing portion 251 is formed in a plate shape extending in the 1 st and 2 nd directions x and y, and is supported by the wall of the expansion wall 25.
As is understood from fig. 4, the opposing portion 251 of the present embodiment is formed in a substantially C-shape in a plan view. A predetermined dimension x1 is provided between the opposing portion 251 on one end side and the opposing portion 251 on the other end side in the 1 st direction x.
The housing 50 of the 2 nd connector 4 is disposed above the opposing portion 251 on the inner side of the expansion wall 25.
A lower region 252 (fig. 4) of the 2 nd gap G2, which is located below the opposing portion 251 of the expansion wall 25 and which is defined in the 2 nd direction y, is defined between the fixed case 20 and the movable case 30.
The lower region 252 includes side walls 252A and 252B extending in the 1 st direction x and the fitting direction z below the opposing portion 251.
The engaging member holding portions 26 are provided on the expansion walls 25 on both sides of the fixed housing 20 in the 1 st direction x, and hold the housing engaging member 15 shown in fig. 3.
The case bonding member 15 includes a bonding portion 151 bonded to the 1 st circuit board 61 by solder, not shown, and press-fitting portions 152 having protrusions 152A on both sides.
The joint member holding portion 26 is formed with a pair of grooves 261 for holding the case joint member 15 pressed from above along the fitting direction z.
An opening 253 is formed between the pair of grooves 261 on the lower side of the opposed portion 251 of the expansion wall 25. In addition, the opening 253 may not be formed in the expansion wall 25.
As shown in fig. 2 (b) and 3, the stationary housing 20 includes 2 pin-shaped bosses 27. The 2 bosses 27 protrude from the lower ends of the side walls 21, 22 or the partial walls 23, 24 in the fitting direction z, and are separated from each other in either one of the 1 st direction x and the 2 nd direction y. The bosses 27 are of different diameters. Therefore, the 1 st connector 1 can be mounted on the 1 st circuit board 61 with a correct orientation in which the 2 bosses 27 can be inserted into the holes of the 1 st circuit board 61.
(Movable housing)
As shown in fig. 2 (a), 2 (b) and 5 (a), the movable housing 30 divides the inside of the fixed housing 20 into a1 st row R1 side and a2 nd row R2 side, and holds the 1 st contact 10 of the 1 st row R1 and the contact 10 of the 2 nd row R2 together with the fixed housing 20.
The movable housing 30 includes: a holding region 31 extending in the 1 st direction x by a length corresponding to the length of the columns R1, R2, and holding the 1 st contact 10; and an expansion region 32 connected to both sides of the holding region 31 in the 1 st direction x, and related to positioning with respect to the 2 nd connector 4, fitting with the fixed housing 20, and setting of the floating range.
The holding region 31 is provided with a width (the dimension in the 2 nd direction y) and a height (the dimension in the fitting direction z) required for holding the 1 st contact 10 of the 1 st row R1 and the 1 st contact 10 of the 2 nd row R2. A plurality of grooves 310 in which the 1 st contact 10 is arranged are formed along the fitting direction z in the side surface 311 on the 1 st row R1 side and the side surface 312 on the 2 nd row R2 side of the holding region 31.
On the 1 st row R1 side and the 2 nd row R2 side of the upper end 31B of the holding area 31, in order to position the movable housing 30 in the 2 nd direction y with respect to the 2 nd contact 40 of the 2 nd connector 4, a guide slope 31C is formed.
The groove 310 includes a holding groove 310A into which the 1 st contact 10 is pressed, and is continuous throughout the entire height of the side surfaces 311 and 312 as the entire groove 310. The grooves 310 are arranged at a certain pitch in the 1 st direction x. As shown in fig. 2b, the depth (the dimension in the 2 nd direction y) of the groove 310 varies in the fitting direction z.
The holding groove 310A is formed near the lower end 31A of the holding area 31.
At the lower end 31A of the holding area 31, a ground holding groove 31D into which the ground contact connecting member 17 is press-fitted is formed (fig. 2 (b)). In the holding area 31, a plurality of ground holding grooves 31D recessed upward from the lower end 31A are dispersed in the 1 st direction x.
The expansion region 32 includes: an upper portion 320 having a guide projection 321 disposed above the upper ends 31B of the side surfaces 311, 312; and a lower portion 322 disposed below the opposing portion 251 of the fixed housing 20. The expansion region 32 is preferably formed symmetrically in the 1 st direction x with the holding region 31 sandwiched therebetween.
In the expansion region 32, a concave portion 323 recessed in the 1 st direction x is formed at a position corresponding to the opposing portion 251. The upper portion 320 and the lower portion 322 are divided by a recess 323.
The dimension in the fitting direction z inside the concave portion 323 is equal to or greater than the plate thickness of the opposing portion 251. The opposite portion 251 is inserted into the inside of the recess 323 depending on the relative positions of the movable housing 30 and the fixed housing 20. The opposing portion 251 can be received in the recess 323 to the extent that the end face 251A of the opposing portion 251 contacts the surface 323A on the back side of the recess 323.
The guide protrusion 321 contacts the housing 50 earlier than the guide slope 31C contacts the housing 50 or the 2 nd contact 40 of the 2 nd connector 4, and guides the movable housing 30 in the 1 st and 2 nd directions x and y following the position of the housing 50. Accordingly, the guide protrusion 321 has a slope 321A inclined with respect to the yz plane and a slope 321B inclined with respect to the xz plane.
As shown in fig. 5 (B), a guide range y1 in which the movable housing 30 can be displaced in the 2 nd direction y by the guide of the inclined surface 321B is set in the inclined surface 321B of the guide protrusion 321. The guide range y1 is wider than the guide range y2 in which the movable housing 30 can be displaced in the 2 nd direction y by the guide based on the guide slope 31C.
As shown in fig. 5 (c), a guide range x3 in which the movable housing 30 can be displaced in the 1 st direction x by the guide of the inclined surface 321A is set in the inclined surface 321A of the guide protrusion 321.
The dimension x0 (fig. 5 (a)) in the 1 st direction x of the upper portion 320 is small relative to the dimension x1 (fig. 4) between the opposing portions 251 on both sides. On the other hand, the dimension x2 (fig. 5 (a)) in the 1 st direction x of the lower portion 322 is larger than the dimension x1 (fig. 4) between the opposing portions 251 on both sides.
Therefore, as shown in fig. 6, the movable housing 30 can be inserted into the inside of the fixed housing 20 from below until the lower portion 322 touches the lower surface 251B of the opposing portion 251. At this time, the upper portion 320 is accommodated in the fixed housing 20 up to a position beyond the opposing portion 251 at the upper side. The upper portion 320 is fitted to the housing 50 of the 2 nd connector 4. The case 50 is disposed inside the fixed case 20 so as to surround the upper portion 320.
If the 1 st contact 10 and the case bonding member 15 are bonded to the 1 st circuit board 61 to fix the fixed case 20 to the 1 st circuit board 61, the lower portion 322 is disposed between the opposing portion 251 and the 1 st package surface 61A of the 1 st circuit board 61. The lower portion 322 is sandwiched between the opposing portion 251 and the 1 st circuit board 61 in the fitting direction z, and therefore the movable case 30 is attached to the fixed case 20 and the 1 st circuit board 61 in a state of not being separated upward nor downward. Therefore, the 1 st connector 1 does not need to include a fixing metal component or the like for assembling the movable housing 30, the fixed housing 20, and the 1 st circuit board 61, and the movable housing 30 and the fixed housing 20 are not restrained by such a fixing metal component or the like.
As shown in fig. 6,1 st gaps G1 of a predetermined size are set between the end surfaces 251A of the opposing portions 251 and the inner surfaces 323A of the concave portions 323 on both sides of the 1 st connector 1 in the 1 st direction x.
Fig. 6 shows a state in which the centers of the fixed case 20 and the movable case 30 in the 1 st direction x are aligned. From this state, the movable housing 30 is allowed to be displaced relative to the fixed housing 20 in the 1 st direction x on the right or left side in fig. 6 by the size of the 1 st gap G1. For example, when the 1 st gap G1 is 1mm, a floating range of ±1mm is given to the 1 st connector 1 in the 1 st direction x.
As shown in fig. 7, a2 nd gap G2 is set between the side wall 322A of the lower portion 322 and the inner surface of the side wall 252A of the lower region 252, and between the side wall 322B of the lower portion 322 and the inner surface of the side wall 252B of the lower region 252.
Fig. 7 shows a state in which the centers of the fixed housing 20 and the movable housing 30 in the 2 nd direction y are aligned. From this state, the movable case 30 is allowed to be displaced relative to the fixed case 20 in the 2 nd direction y of the upper side or the lower side in fig. 7 by the size of the 2 nd gap G2. For example, when the 2 nd gap G2 is 1mm, a floating range of ±1mm is given to the 1 st connector 1 in the 2 nd direction y.
Since the movable case 30 and the fixed case 20 are relatively displaceable in the 1 st and 2 nd directions x and y, the movable case 30 also has a degree of freedom in position with respect to the fixed case 20 in the rotational direction in the xy plane. The 1 st connector 1 is provided with a floating range of a predetermined angle in the rotation direction in the xy plane.
Since the movable case 30 and the fixed case 20 are not constrained, a floating range corresponding to the gaps G1 and G2 that are sufficiently large can be realized with the maximum elastic deformation amount of the 1 st contact 10 as a limit.
(Contact 1)
The configuration of the shape of the 1 st contact 10, the functions of the respective parts, and the like shown in fig. 8 (a) to (c) will be described. In fig. 8 (a) to (c), the 1 st contact 10 in a state where no load is applied is shown.
The 1 st contact 10 includes a joint portion 10A joined to the 1 st package surface 61A with solder, a fixed holding portion 10B held by press-fitting to the fixed housing 20, a movable holding portion 10C held by press-fitting to the movable housing 30, and a connecting portion 10E in contact with the 2 nd contact 40, and is given a shape capable of being bent so as to be elastically deformed in the 1 st direction x and the 2 nd direction y.
The joint portion 10A and the fixed holding portion 10B disposed parallel to the 1 st package surface 61A are L-shaped in a side view.
Between the fixed holding portion 10B and the movable holding portion 10C, a1 st bent portion C1 and a 2 nd bent portion C2 are formed. The 1 st bent portion C1 as the top of the 1 st contact 10 has an inverted U shape in side view. The 2 nd bent portion C2 has a substantially V-shape in a side view. The lower end of the 2 nd bent portion C2 is located above the joint portion 10A.
The connection portion 10E has a substantially C-shape in a side view. The upper end of the connecting portion 10E is located below the upper end of the 1 st bent portion C1.
The 1 st contact 10 is bent in a substantially N-shape as a whole in a schematic shape.
The 1 st contact 10 is formed by punching a plate material made of a metal material such as a copper alloy into a linear elongated shape and then bending the plate material.
The floating range is set within the range of the elastic range of the 1 st contact 10 for any one of the rotational directions in the 1 st direction x, the 2nd direction y, and the xy plane. Therefore, from the viewpoint of increasing the floating range, a material having good rebound resilience even in a copper alloy is preferably used as the material of the 1 st contact 10.
The 1 st contact 10 has a constant plate thickness throughout most of the longitudinal direction. The plate thickness t of the 1 st contact 10 is determined to be in the range of, for example, 0.1 to 0.5 mm. The thickness of the connecting portion 10E is smaller than that of the other portions.
In order to stably shape the 1 st contact 10, the width w of the 1 st contact 10 is determined to be at least a value of the plate thickness t or more, for example, in the range of 0.1 to 0.5 mm. The width w of the 1 st contact 10 varies in the length direction of the 1 st contact 10.
For example, the width of the joint portion 10A and the connection portion 10E is narrowest in order to facilitate flexing and improve the follow-up performance with respect to the 1 st package surface 61A or the 2 nd contact 40 in the entire length from the joint portion 10A to the connection portion 10E of the 1 st contact 10.
The area above the movable holding portion 10C of the 1 st contact 10 is provided with a width narrower than the width of the movable holding portion 10C. This region is smoothly inserted into the holding groove 310A of the movable housing 30 from below.
The 1 st contact 10 is arranged with a certain pitch P exceeding the maximum width w set in the 1 st bent portion C1 and the 2 nd bent portion C2, with a gap g being left between the adjacent 1 st contacts 10. The pitch P is, for example, 0.3 to 0.5mm, and the 1 st contact 10 is densely arranged. The gap g is preferably 0.15mm or more.
The 1 st contact 10 is arranged parallel to the xz plane. The 1 st contact 10 of the 1 st row R1 and the 1 st contact 10 of the 2 nd row R2 are arranged line symmetrically about an axis parallel to the fitting direction z.
The 1 st contact 10 includes a1 st section 101, a2 nd section 102, and a3 rd section 103.
The 1 st section 101 extends from the fixed holding portion 10B toward the side (upper side) opposite to the 1 st package face 61A to the 1 st bent portion C1.
The 2 nd section 102 extends from the 1 st bent portion C1, which is convexly bent upward, toward the 1 st package surface 61A, and is connected to the movable holding portion 10C via the 2 nd bent portion C2.
The 3 rd section 103 extends from the movable holding portion 10C toward the side opposite to the 1 st package face 61A to the connection portion 10E connected to the 2 nd contact 40.
In the 1 st section 101, a1 st bent portion B1 formed in a shape protruding toward the 2 nd section 102 is formed.
In the 2 nd section 102, a2 nd bent portion B2 formed in a shape protruding toward the 1 st section 101 is formed at a position further from the 1 st package surface 61A than the 1 st bent portion B1 in the fitting direction z.
As shown in fig. 8 (B) and 8 (c), the fixed holding portion 10B includes 2 press-fitting protrusions 10B1 formed in two stages in the up-down direction on both sides in the width direction (corresponding to the 1 st direction x) and protrusions 10B2 formed on one side in the width direction.
A pressing portion 10B3 is formed perpendicularly to the center line L behind (below) the protrusion 10B2 in the press-in direction, and a jig, not shown, presses the pressing portion 10B3 when the fixed holding portion 10B is pressed in.
The movable holding portion 10C includes press-in projections 10C1, positioning projections 10C2, and pressing portions 10C3 similar to the press-in projections 10B1, projections 10B2, and pressing portions 10B3 of the fixed holding portion 10B. The dimension of the positioning protrusion 10C2 protruding from the center line L in the width direction of the 1st contact 10 in the 1st direction x is larger than the dimension of the press-in protrusion 10C1 protruding from the center line L in the 1st direction x.
(Ground contact connecting part)
A part of the 1 st contact 10 constituting the 1 st column R1 corresponds to a signal potential of an electronic circuit including the 1 st circuit substrate 61 and the 2 nd circuit substrate 62, and the remaining part corresponds to a ground potential of the electronic circuit.
Similarly, a part of the 1 st contact 10 constituting the 2 nd column R2 corresponds to the signal potential of the electronic circuit, and the remaining part corresponds to the ground potential of the electronic circuit.
The distribution for signal/ground to the 1 st contact 10 is properly designed. For the distribution of signal/ground, various modes exist depending on the product.
As shown in fig. 9 and 10, the ground contact connecting member 17 is in contact with only the ground contact group GG constituted by the plurality of 1 st contacts 10 allocated to the ground among all 1 st contacts 10. Any of the 1 st contacts 10 contacted by the ground contact connecting member 17 is set to the same potential.
In FIG. 10, GG is shown for ease of illustration
The icon score is shown at 4. The ground contact group GG corresponds to a group of 1 st contacts 10 corresponding to the ground potential as a whole of the ground contact connecting member 17, and corresponds to a 1 st contact 10 of a part of the 1 st row R1 and a 1 st contact 10 of a part of the 2 nd row R2.
The ground contact connecting member 17 includes: a support portion 171 provided at the lower end 31A of the movable housing 30 and extending in the 1 st direction x; and a plurality of contact beams 172 that contact the 2 nd bent portions C2 of the 1 st contacts 10 that constitute the ground contact group GG. The contact beam 172 is disposed between the lower end 31A and the 1 st package surface 61A, and contacts the 2 nd bent portion C2 of the 1 st contact 10 adjacent to the lower end 31A from the 1 st package surface 61A side.
The 2 nd bent portion C2 of the 1 st contact 10 is located in the vicinity of the movable holding portion 10C held by the movable housing 30, and is thus displaced following the movable housing 30. Therefore, even if the 1 st bending portion C1 of the 1 st contact 10 is elastically deformed and the movable housing 30 is displaced relative to the housings 50 of the fixed housing 20 and the 2 nd connector 4 at the time of fitting the 1 st connector 1 and the 2 nd connector 4, the distance between the 2 nd bending portion C2 and the movable housing 30 is hardly changed. Thus, even if the contact beam 172 contacts the 2 nd bent portion C2, the behavior of the movable housing 30 in the floating range with respect to the fixed housing 20 is not affected.
The support portion 171 is provided with a plurality of holding portions 171A that are respectively press-fitted into the grounding holding grooves 31D of the movable housing 30. Press-fitting protrusions 171B are formed on both sides of the holding portion 171A in the 1 st direction x.
The contact beam 172 protrudes from the support portion 171 perpendicularly toward the grounding contact 10 of the 1 st row R1 or toward the grounding contact 10 of the 2 nd row R2 in the 2 nd direction y. In the present embodiment, the length of the contact beam 172 extending from the support portion 171 to the 1 st row R1 side is different from the length of the contact beam 172 extending from the support portion 171 to the 2 nd row R2 side, but may be the same.
The width (dimension in the 1 st direction x) of the contact beam 172 is narrower than the width (dimension in the 1 st direction x) of the portion of the 1 st contact 10 that contacts the contact beam 172. The width of the contact beam 172 may be equal to the joint portion 10A or the connection portion 10E of the 1 st contact 10.
The ground contact connecting member 17 can be formed by punching and bending a metal plate material such as copper alloy. The holding portion 171A is vertically bent on one side in the width direction (the 2 nd direction y) of the support portion 171.
The holding portion 171A may be formed at any position in the 1 st direction x, in addition to a position (for example, x4 in fig. 9) where the contact beam 172 is formed on both sides in the width direction of the support portion 171.
By customizing the positions of the contact beams 172 and the holding portions 171A according to the distribution pattern for signal/ground, the ground contact connecting members 17 can be made to correspond to various products.
In order to cope with the change of the position of the holding portion 171A based on customization, it is preferable that the movable housing 30 having a different position of the ground holding groove 31D can be produced by nesting the portion of the mold for molding the movable housing 30 corresponding to the ground holding groove 31D.
By using the ground contact connecting member 17, SI (SIGNAL INTENSITY, signal strength) performance can be improved, for example, as a result of analysis of frequency characteristics showing Insertion Loss (IL) in fig. 16.
The broken line of fig. 16 shows the insertion loss frequency characteristic in the case where the 1 st connector 1 is not provided with the ground contact connecting member 17, and the solid line shows the insertion loss frequency characteristic in the case where the ground contact connecting member 17 is provided. The single-dot chain line schematically shows the required specification. As is clear from fig. 16, by using the ground contact connecting member 17, the peak of the resonance frequency is shifted to the side where the frequency is high. Accordingly, the design margin for the required specification is expanded from M1 to M2, and as a result, SI performance is improved.
[2 Nd connector ]
A more specific configuration of the 2 nd connector 4 will be described with reference to fig. 11 (a), 11 (b) and 12.
The 2 nd connector 4 includes a plurality of 2 nd contacts 40, a housing 50 for holding the 2 nd contacts, and a joint member 45, and is fitted to the movable housing 30.
The 2 nd contact 40 of the 1 st row r1 and the 2 nd contact 40 of the 2 nd row r2 are arranged at a constant pitch P along the 1 st direction x and are adjacent along the 2 nd direction y, like the 1 st contact 10.
The 2 nd contact 40 is formed by punching a plate material made of a metal material such as a copper alloy into a linear elongated shape and further performing bending processing.
The 2 nd contact 40 includes a joint portion 40A joined to the 2 nd circuit board 62, a holding portion 40B held by the housing 50, and a connection portion 40C electrically connected to the 1 st contact 10.
The 2 nd contact 40 of the present embodiment has a section 401 extending perpendicularly to the joint 40A, and is formed in an L-shape as a whole. In section 401, holding portion 40B and connecting portion 40C are included. The holding portion 40B includes a press-in projection 40B1, a projection 40B2, and a pressing portion 40B3, as in the case of the fixed holding portion 10B, and is formed in the vicinity of the joint portion 40A of the section 401. The region of the section 401 below the holding portion 40B corresponds to the connecting portion 40C.
As shown in fig. 1 (b), the connection portion 10E of the 1 st contact 10 of the 1 st row R1 and the connection portion 10E of the 1 st contact 10 of the 2 nd row R2 are inserted between the connection portion 40C of the 1 st row R1 and the connection portion 40C of the 2 nd row R2.
The housing 50 includes: walls 51 to 54 surrounding the 2 nd contacts 40 of the 1 st and 2 nd rows r1 and r2 from the periphery and arranged on the 2 nd package face 62A; an engaging member holding portion 56 that holds the engaging member 45; 2 bosses 57 (fig. 1 (a)) for positioning, which are inserted into holes (not shown) of the 2 nd circuit board 62; and a leg portion 58 disposed on the 2 nd package surface 62A.
The side walls 51 and 52 extend in the 1 st direction x and face each other in the 2 nd direction y by a length corresponding to the length of the columns r1 and r 2. Inside the side wall 51, grooves 511 in which the 2 nd contacts 40 of the 1 st row r1 are respectively arranged are formed along the fitting direction z. The groove 511 includes a holding groove 511A into which the 2 nd contact 40 is pressed.
The 2 nd contacts 40 of the 2 nd row r2 are also arranged on the inner side of the side wall 52, and grooves 521 including holding grooves 521A are formed along the fitting direction z.
Inside the lower end of the side wall 51, a guide slope 512 is formed in order to relatively position the movable housing 30 and the housing 50 of the 1 st connector 1 in the 2 nd direction y.
A similar guide slope 522 is also formed on the inner side of the lower end of the side wall 52. The guide slopes 512, 522 are symmetrically formed in the 2 nd direction y.
If the 2 nd contact 40 is inserted into the grooves 511, 521 of the housing 50 from the connection portion 40C side and is press-fitted into the holding grooves 511A, 521A, respectively, the distal end of the connection portion 40C is disposed adjacent to the guide slopes 512, 522 as shown in fig. 11 (b). The joint 40A is disposed outside the grooves 511 and 521. The engagement portion 40A is located slightly above the position of the leg portion 58.
The distance d1 in the 2 nd direction y between the connection portion 40C of the 2 nd contact 40 of the 1 st row R1 and the connection portion 40C of the 2 nd contact 40 of the 2 nd row R2 is smaller than the distance d2 (fig. 2 (b)) in the 2 nd direction y between the vertex of the connection portion 10E of the 1 st contact 10 of the 1 st row R1 and the vertex of the connection portion 10E of the 1 st contact 10 of the 2 nd row R2. As shown in fig. 1 (b), if the 1 st connector 1 and the 2 nd connector 4 are fitted, the connection portion 10E of the 1 st contact 10 of the 1 st row R1 is pressed between the 2 nd contact 40 of the 1 st row R1 and the movable housing 30 while being in contact with the connection portion 40C of the 2 nd contact 40 at the apex. The same applies to the connection portion 10E of the 1 st contact 10 of the 2 nd column R2.
Since the connection portion 40C of the 2 nd contact 40 is formed linearly along the fitting direction z, the connection portion 40C can be brought into stable contact with the connection portion 10E even if the position of the 1 st contact 10 is shifted from the fitting direction z of the 2 nd contact 40.
The walls 53 and 54 are provided at both ends of the side walls 51 and 52 in the 1 st direction x, and face each other in the 1 st direction x. The walls 53, 54 are at a higher height from the 2 nd package face 62A than the side walls 51, 52 are at a higher height from the 2 nd package face 62A.
At both ends of the 1 st direction x of the walls 51 to 54, a1 st guide slope 55 inclined with respect to the yz plane is formed. At four corners of the walls 51 to 54, a2 nd guide slope 59 inclined with respect to the xz plane is formed. These guide slopes 55, 59 are disposed below the lower ends 51A, 52A of the side walls 51, 52. The 1 st guide slope 55 is symmetrically formed in the 1 st direction x. The 2 nd guide slope 59 is symmetrically formed in the 2 nd direction y.
The 1 st guide slope 55 contacts the slope 321A of the guide projection 321 of the movable housing 30 earlier than the guide slopes 512, 522 of the side walls 51, 52 contact the guide slope 31C of the movable housing 30, and guides the movable housing 30 in the 1 st direction x following the position of the housing 50. Meanwhile, the 2 nd guide slope 59 contacts the slope 321B of the guide protrusion 321 of the movable housing 30 earlier than the guide slopes 512, 522 of the side walls 51, 52 contact the guide slope 31C of the movable housing 30, and guides the movable housing 30 in the 2 nd direction y following the position of the housing 50.
The 1 st guide slope 55 is inclined with respect to the yz plane. The 2 nd guide slope 59 is inclined with respect to the xz-plane.
The 1 st guide slope 55 is set with a guide range x3 equivalent to the slope 321A of the guide projection 321 of the movable case 30 (fig. 11 (a)). The guide range x3 is preferably larger than the size of the 1 st gap G1.
The 2 nd guide slope 59 has a guide range y1 (fig. 11B) equivalent to the slope 321B of the guide projection 321 of the movable case 30. The guide range y1 is preferably larger than the size of the 2 nd gap G2.
The joining member 45 includes a joining portion 451 joined to the 2 nd circuit board 62 and press-fitting portions 452 having protrusions 452A on both sides.
The engaging member holding portion 56 is provided outside the walls 53, 54. The engaging member holding portion 56 is formed with a holding groove 56A into which the engaging member 45 is pressed from below.
Assembly of connector Assembly and effects of this embodiment ]
The order of assembling the connector assembly 100 will be described below, and the main effects obtained by the present embodiment will be described.
First, an example of the order of assembling the 1 st connector 1 is explained.
The case joint member 15 is press-fitted into the pair of grooves 261 provided on the expansion walls 25 on both sides of the fixed case 20 from above (fig. 2 (a)).
Further, a movable housing 30 is disposed from below inside the fixed housing 20 (fig. 2 (b) and 6).
Thereafter, a plurality of 1 st contacts 10 can be simultaneously mounted to the fixed housing 20 and the movable housing 30 from below using a jig not shown.
For example, the 1 st clamp supports the fixed housing 20 and the movable housing 30 at a predetermined position, the 2 nd clamp aligns the 1 st contacts 10 in the 1 st row R1 and the 2 nd row R2, and the 3 rd clamp in contact with the pressing portion 10B3 and the 3 rd clamp in contact with the pressing portion 10C3 simultaneously presses the 1 st contacts 10 in the 1 st row R1 and the 2 nd row R2 upward.
Then, the 1 st contact 10 of each row R1, R2 is inserted between the fixed housing 20 and the movable housing 30 from the 1 st bent portion C1 and the connection portion 10E side. Then, as shown in fig. 2 (B), the fixed holding portion 10B of the 1 st contact 10 of the 1 st row R1 is press-fitted into the holding groove 211 of the fixed housing 20, and the movable holding portion 10C of the 1 st contact 10 of the 1 st row R1 is press-fitted into the holding groove 310A of the 1 st row R1 side of the movable housing 30. At the same time, the fixed holding portion 10B of the 1 st contact 10 of the 2 nd row R2 is press-fitted into the holding groove 221 of the fixed housing 20, and the movable holding portion 10C of the 1 st contact 10 of the 2 nd row R2 is press-fitted into the holding groove 310A of the 2 nd row R2 side of the movable housing 30.
When the fixed holding portion 10B and the movable holding portion 10C are pressed in, the movable housing 30 is supported by the 2 nd bent portion C2 of the 1 st contact 10 of the 1 st row R1 and the 2 nd bent portion C2 of the 1 st contact 10 of the 2 nd row R2. At this time, the lower end 31A of the movable housing 30 is located above the leg 28 of the fixed housing 20. The 2 nd bent portion C2 is located below the lower end 31A of the movable case 30 and above the leg portion 28.
The joint portion 10A of the contact 10 is located slightly below the leg portion 28 of the stationary housing 20.
After the 1 st contact 10 is assembled, the holding portion 171A is pressed into the ground holding groove 31D, thereby assembling the ground contact connecting member 17 to the movable housing 30. When the holding portion 171A is pressed into the grounding holding groove 31D to a predetermined depth, each contact beam 172 is deflected in the plate thickness direction, and is pressed in the fitting direction z against the 2 nd bent portion C2 of the 1 st contact 10 for grounding. Therefore, even if the position of the 2 nd bent portion C2 of each 1 st contact 10 is deviated in the fitting direction z, the contact beam 172 can be brought into stable contact with the contact group GG.
In this way, SI performance can be stabilized by setting the ground contact 10 to the same potential by the member 17 having the contact beam 172 that is in stable contact with the 1 st contact 10.
As described above, the 1 st connector 1 is assembled (fig. 2 (a) and 2 (b)). The movable housing 30 is supported in a state having positional degrees of freedom throughout the floating range in the rotational directions in the 1 st direction x, the 2 nd direction y, and the xy plane by elastic deformation of the 1 st contact 10 of the 1 st row R1 and the 1 st contact 10 of the 2 nd row R2.
As shown in fig. 1 (b), when the 1 st connector 1 is arranged on the 1 st circuit board 61 and packaged, the 2 bosses 27 of the fixed housing 20 are inserted into holes, not shown, of the 1 st circuit board 61, respectively, and the leg portions 28 are brought into contact with the 1 st packaging surface 61A.
In this state, the bonding portion 10A of each 1 st contact 10 is bonded to a terminal portion, not shown, formed on the 1 st package surface 61A with solder, and the bonding portion 151 of the case bonding member 15 is bonded to the 1 st package surface 61A with solder. By using the housing joining member 15, the joining strength of the 1 st circuit board 61 and the 1 st connector 1 is improved.
If the fixed case 20 is fixed to the 1 st circuit substrate 61 by the engagement of the 1 st contact 10 and the case engagement member 15, as shown in fig. 6, the lower portion 322 of the movable case 30 is arranged between the opposing portion 251 of the fixed case 20 and the 1 st circuit substrate 61, and thus the movable case 30, the fixed case 20, and the 1 st circuit substrate 61 are assembled with each other.
On the other hand, when the 2 nd connector 4 (fig. 11 and 12) is assembled, for example, the 2 nd contacts 40 are arranged in the 1 st row r1 and the 2 nd row r2 by using a jig not shown, and are simultaneously inserted into the grooves 511 and 521 of the housing 50 from above, the pressing portion 40B3 is pressed, and the 2 nd contacts 40 are pressed into the holding grooves 511A and 521A. The engaging member 45 is pressed into the engaging member holding portion 56. By the above, the assembly of the 2 nd connector 4 is completed.
When the 2 nd connector 1 is arranged on the 2 nd circuit board 62 and packaged, the boss 57 of the housing 50 is inserted into a hole, not shown, of the 2 nd circuit board 62, and the leg portion 58 is brought into contact with the 2 nd packaging surface 62A.
In this state, the bonding portion 40A of each 2 nd contact 40 is bonded to the 2 nd package surface 62A with solder, and the bonding portion 451 of the bonding member 45 is bonded to the 2 nd package surface 62A with solder.
When the structure including the 1 st circuit board 61 and the 1 st connector 1 is assembled with the structure including the 2 nd circuit board 62 and the 2 nd connector 4, the cumulative tolerance due to the dimensional shape of the components, the machining, the assembly tolerance, and the like is not necessarily limited to the position of the 1 st connector 1 and the 2 nd connector 4 in the 2 nd direction y as shown in fig. 13.
However, even if the positions of the 1 st connector 1 and the 2 nd connector 4 are offset in at least one of the 1 st and 2 nd directions x and y, the 1 st and 2 nd connectors 1 and 4 can be fitted based on the configuration of the 1 st connector 1 to obtain the connector assembly 100, and the 1 st and 2 nd circuit substrates 61 and 62 can be assembled.
In a state where the movable case 30, the fixed case 20, and the 1 st circuit board 61 are assembled, the movable case 30 is supported by the fixed case 20 via the 1 st contact 10. That is, the movable housing 30 is supported so as to be capable of elastically deforming and displacing the 1 st contact 10 in the 1 st direction x and the 2 nd direction y.
At this time, as a direct relationship between the movable housing 30 and the fixed housing 20, the lower portion 322 of the movable housing 30 and the opposing portion 251 of the fixed housing 20 oppose each other in the fitting direction z, and the relative displacement between the movable housing 30 including the lower portion 322 and the fixed housing 20 including the opposing portion 251 in the 1 st direction x and the 2 nd direction y can be performed within a range of a floating range corresponding to the gaps G1, G2 existing between the movable housing 30 and the fixed housing 20.
Here, since the movable case 30 and the fixed case 20 are assembled by disposing the lower portion 322 between the opposing portion 251 and the 1 st circuit board 61, the movable case 30 and the fixed case 20 are not restricted by fitting hardware or the like. Since the relative displacement between the movable case 30 and the fixed case 20 is not hindered by such a metal component, the floating range can be sufficiently ensured throughout the entire gaps G1 and G2. Therefore, according to the present embodiment, the 1 st connector 1 and the connector assembly 100 can be provided in which the floating range can be enlarged to a scale of ±1mm or more, for example.
For example, when the 1 st connector 1 and the 2 nd connector 4, which are shifted in position in the 2 nd direction y, are engaged, as shown in fig. 14, the 1 st contact 10 is elastically deformed in the 2 nd direction y while being displaced in the 2 nd direction y with respect to the fixed housing 20 by the movable housing 30 following the position of the housing 50.
At this time, the 1 st contact 10 of one of the 1 st and 2 nd columns R1 and R2 (in the example of fig. 14, the 1 st column R1) is deformed in the direction in which the fixed holding portion 10B and the movable holding portion 10C approach, and the 1 st contact 10 of the other (in the example of fig. 14, the 2 nd column R2) is deformed in the direction in which the fixed holding portion 10B and the movable holding portion 10C depart from each other.
With the expansion of the floating range, even if the elastic deformation amount of the 1 st contact 10 is large, contact between the portions of the 1 st contact 10 or contact between the 1 st contact 10 and the stationary housing 20 is avoided.
For example, as in the 1 st contact 10 of the 1 st row R1 shown in fig. 14, when deformed in the direction in which the fixed holding portion 10B and the movable holding portion 10C approach, the 1 st bent portion B1 of the 1 st section 101 and the 2 nd bent portion B2 of the 2 nd section 102 approach in the 2 nd direction y. However, the 1 st bent portion B1 and the 2 nd bent portion B2 are not in contact because the positions in the fitting direction z are different. Therefore, it is possible to avoid excessive stress from being generated in the 1 st contact 10 due to collision of the portions of the 1 st contact 10 with each other, and to avoid degradation of the signal transmission characteristics caused by contact conduction of the portions of the 1 st contact 10 with each other.
If the fixed holding portion 10B and the movable holding portion 10C approach to each other in the 2 nd direction y or more, the 1 st section 101 is inclined with respect to the fitting direction z, and the 1 st curved portion C1 side of the 1 st section 101 approaches the side wall 21 of the fixed housing 20 with respect to the fixed holding portion 10B. However, since the chamfer 212 having a shape that mimics the inclined orientation of the 1 st section 101 at this time is formed on the inner side of the side wall 21 of the fixed housing 20, the 1 st section 101 does not contact the fixed housing 20.
Accordingly, the state in which the 1 st contact 10 is separated from the housings 20 and 30 can be maintained, except for predetermined portions such as the fixed holding portion 10B and the movable holding portion 10C. Therefore, excessive stress generated in the 1 st contact 10 due to collision with the stationary housing 20 can be avoided, and impedance matching of the transmission path can be well maintained.
The 1 st and 2 nd connectors 1 and 4 allow positional displacement amounts corresponding to predetermined floating ranges in the 1 st, 2 nd, and xy rotational directions based on the 1 st and 2 nd gaps G1 and G2.
When the 1 st connector 1 is fitted with the 2 nd connector 4, the movable housing 30 is guided in the 2 nd direction y by the action of the inclined surface 321B of the guide projection 321 and the 2 nd guide inclined surface 59 of the housing 50, thereby determining the approximate position in the 2 nd direction y, and thereafter, is positioned in the 2 nd direction y with respect to the housing 50 by the action of the guide inclined surface 31C and the guide inclined surfaces 512, 522. Therefore, the movable housing 30 and the housing 50 can be smoothly fitted.
Fig. 15 shows a state in which the positional shift between the 1 st connector 1 and the 2 nd connector 4 occurs in both the 1 st direction x and the 2 nd direction y. In this case, too, in the range of the floating range, the movable housing 30 is displaced relative to the fixed housing 20 and the housing 50 by the action of the guide inclined surfaces 31C and the guide inclined surfaces 512, 522, following the action of the inclined surfaces 321A, 321B of the guide protrusion 321 and the guide inclined surfaces 55, 59. Accordingly, each 1 st contact 10 is elastically deformed in the 1 st direction x and the 2 nd direction y.
In addition to the above, the configurations listed in the above embodiments may be selected or modified as appropriate without departing from the gist of the present invention.
The object to be bonded to the 1 st contact 10 is not necessarily limited to the circuit board. Similarly, the object to be bonded of the 2 nd contact 40 is not necessarily limited to the circuit board.
A portion of the movable housing 30 formed between the opposing portion 251 of the fixed housing 20 and the reference surface (1 st sealing surface 61A) to be bonded, which is disposed between the opposing portion 251, is not limited to the above embodiment, and may be appropriately configured.
The 1 st gap G1 is not limited to being set between the opposing portion 251 and the concave portion 323 as in the above embodiment, but may be set between the movable case 30 and the fixed case 20 at a position apart from the opposing portion 251 and the concave portion 323.
The 2 nd gap G2 may be set not only between the side walls 322A and 322B of the expansion region 32 and the side walls 252A and 252B of the expansion wall 25 as in the above embodiment, but also between the movable case 30 and the fixed case 20 at a position apart from the expansion region 32 and the expansion wall 25.
[ Additional ] A method for producing a composite sheet
The following configuration is grasped from the above disclosure.
【1】 A connector is provided with:
A plurality of contacts that are arranged in parallel, form a 1 st row and a 2 nd row, are arranged along a predetermined 1 st direction, are arranged on a reference plane including the 1 st direction and a 2 nd direction orthogonal to the 1 st direction, and are bonded to a bonding object;
A fixed housing surrounding the plurality of contacts and disposed on the reference surface; and
A movable housing which divides an inner side of the fixed housing into the 1 st row side and the 2 nd row side, is disposed so as to be relatively displaceable with respect to the fixed housing in the 1 st direction and the 2 nd direction,
The contact is held by the fixed housing and the movable housing,
An opposing portion disposed to face the reference surface is formed inside the fixed housing,
A part of the movable housing is disposed between the opposing portion and the reference surface.
【2】 The connector according to item [1 ],
The opposing portions are formed on both sides of the fixed housing in the 1 st direction,
A 1st gap exists between the opposing portion in the 1st direction and the movable housing.
【3】 The connector according to item [ 1] or [ 2 ],
The fixed case has regions disposed on both sides of the fixed case in the 2 nd direction, and a2 nd gap is provided between the fixed case and the movable case in the 2 nd direction.
【4】 The connector according to item [ 3 ],
The opposing portion is formed in a plate shape extending in the 1 st and 2 nd directions,
The movable housing is formed with a recess recessed in the 1 st direction at the position of the opposing portion so as to be able to receive the opposing portion,
The region extends in the 1 st direction and in a fitting direction in which the movable housing is fitted to the counterpart connector, on both sides of the fixed housing in the 1 st direction, on the reference surface side of the opposing portion.
【5】 The connector according to any one of items [1 ] to [ 4 ],
The contact includes a fixed holding portion held by the fixed housing and a movable holding portion held by the movable housing,
A1 st bending portion and a2 nd bending portion are formed between the fixed holding portion and the movable holding portion,
The contact includes:
A1 st section extending from the fixed holding portion toward a side opposite to the reference surface to the 1 st bending portion;
A2 nd section extending from the 1 st bending section toward the reference surface and connected to the movable holding section via the 2 nd bending section; and
Section 3 extending from the movable holding portion toward a side opposite to the reference surface to a connection portion connected to a contact of a counterpart connector fitted with the movable housing,
In the 1 st section, a1 st bending part formed in a shape protruding toward the 2 nd section is formed,
In the 2 nd section, a2 nd bending portion formed in a shape protruding toward the 1 st section is formed at a position further from the reference surface than the 1 st bending portion in a fitting direction in which the movable housing and the counterpart connector are fitted.
【6】 The connector according to any one of items [1 ] to [ 5],
The contact includes a fixed holding portion held by the fixed housing and a movable holding portion held by the movable housing,
A1 st bending portion and a2 nd bending portion are formed between the fixed holding portion and the movable holding portion,
The contact includes:
A1 st section extending from the fixed holding portion toward a side opposite to the reference surface to the 1 st bending portion;
A2 nd section extending from the 1 st bending section toward the reference surface and connected to the movable holding section via the 2 nd bending section; and
Section 3 extending from the movable holding portion toward a side opposite to the reference surface to a connection portion connected to a contact of a counterpart connector fitted with the movable housing,
A chamfer portion is formed on the inner wall of the fixed housing, and the chamfer portion is separated from the 1 st section in the 2 nd direction as approaching the 1 st bending portion from the fixed holding portion.
【7】 The connector according to any one of items [1 ] to [ 6 ],
The contact includes a fixed holding portion held by the fixed housing and a movable holding portion held by the movable housing,
A1 st bending portion and a2 nd bending portion are formed between the fixed holding portion and the movable holding portion,
The connector comprises:
A ground contact connecting member for contacting a ground contact group of the contact corresponding to the part of the 1 st row and the part of the contact of the 2 nd row,
The ground contact connecting member includes a plurality of contact portions provided along the 1 st direction at portions of the movable housing facing the reference surface and contacting the 2 nd bent portions of the contacts constituting the ground contact group.
【8】 A connector assembly is provided with:
a1 st connector as the connector described in any one of items [1 ] to [ 7 ]; and
And a2 nd connector fitted to the movable housing of the 1 st connector.
Description of the reference numerals
1.1 St connector (connector)
4.2 Nd connector
10. 1 St contact (contact)
10A joint
10B fixing and holding part
10B1 Press-in protrusion
10B2 protrusion
10B3 pressing part
10C movable holding part
10C1 push-in protrusion
10C2 positioning protrusion
10C3 pressing part
10E connecting part
15. Shell engagement member
17. Grounding contact connecting part
20. Fixed shell
21. 22 Side wall
21B upper end
23. 24 Part wall
25. Expansion wall
25A lower end
25B upper end
26. Joint part holding part
27. Boss
28. Foot portion
30. Movable housing
31. Holding area
31A lower end
31B upper end
31C guide slope
31D grounding holding groove
32. Expanded region
40. 2 Nd contact
40A joint
40B holding part
40B1 Press-in protrusion
40B2 protrusion
40B3 pressing part
40C connecting part
45. Joint component
50. Shell body
51. 52 Side wall
51A, 52A lower end
53. 54 Wall
55. 1 St guide slope
56. Joint part holding part
56A holding groove
57. Boss
58. Foot portion
59. 2 Nd guide slope
61. 1 St circuit board (object to be bonded)
61A 1 st packaging surface (reference surface)
62. 2 Nd circuit board
62A 2 nd packaging surface
100. Connector assembly
101. Interval 1
102. Interval 2
103. Interval 3
151. Joint part
152. Press-in portion
152A protrusion
171. Support part
171A holding portion
171B press-in protrusion
172. Contact beam (contact part)
211. Retaining groove
212. Chamfering part
221. Retaining groove
222. Chamfering part
251. Opposed portion
251A end face
251B lower surface
252. Lower region (zone)
252A, 252B side wall
253. An opening
261. Groove(s)
310. Groove(s)
310A holding groove
311. 312 Side surfaces
320. Upper part
321. Guide projection
321A, 321B inclined plane
322. Lower part (part)
322A, 322B side wall
323. Concave part
323A surface
401. Interval of
451. Joint part
452. Press-in portion
452A protrusion
511. 521 Groove
511A, 521A holding groove
512. 522 Guide ramp
B1 1 st bending part
B2 2 nd bending part
C1 1 st bending portion
C2 2 nd bending part
D1, d2 distance
G. g gap
G1 Gap 1
G2 Gap 2
GG ground contact group
L center line
P spacing
R1, R1 st column 1
R2, R2 column 2
T plate thickness
W width
X 1 st direction
X0, x1, x2 dimensions
X3 guiding range
Y 2 nd direction
Y1, y2 guiding range
Z fitting direction.
Claims (8)
1. A connector (1) is provided with:
A plurality of contacts (10) which are arranged in parallel, form a 1 st row (R1) and a2 nd row (R2), are arranged along a predetermined 1 st direction (x), are arranged on a reference surface (61A) comprising the 1 st direction (x) and a2 nd direction (y) orthogonal to the 1 st direction (x), and are bonded to a bonding object (61);
A fixed housing (20) surrounding the plurality of contacts (10) and disposed on the reference surface (61A); and
A movable case (30) that divides the inside of the fixed case (20) into the 1 st row (R1) side and the 2 nd row (R2) side, and that is disposed so as to be capable of relative displacement with respect to the fixed case (20) in the 1 st direction (x) and the 2 nd direction (y),
The contact (10) is held by the fixed housing (20) and the movable housing (30),
An opposing portion (251) disposed to face the reference surface (61A) is formed on the inner side of the fixed housing (20) in the fixed housing (20),
A part of the movable housing (30) is disposed between the opposing portion (251) and the reference surface (61A).
2. Connector (1) according to claim 1, wherein,
The opposing portions (251) are formed on both sides of the fixed housing (20) in the 1 st direction (x),
A1 st gap (G1) exists between the opposing portion (251) and the movable housing (30) in the 1 st direction (x).
3. Connector (1) according to claim 2, wherein,
A region (252) is formed in the fixed housing (20), the region (252) being arranged on both sides of the fixed housing (20) in the 2 nd direction (y), and a2 nd gap (G2) being provided between the fixed housing (20) and the movable housing (30) in the 2 nd direction (y).
4. A connector (1) according to claim 3, wherein,
The opposing portion (251) is formed in a plate shape extending in the 1 st direction (x) and the 2 nd direction (y),
A recess (323) is formed in the movable housing (30), the recess (323) is recessed in the 1 st direction (x) at the position of the opposing portion (251) and can receive the opposing portion (251),
The region (252) extends in the fitting direction (z) in which the 1 st direction (x) and the movable housing (30) are fitted to the mating connector (4) on both sides of the fixed housing (20) in the 1 st direction (x) on the reference surface (61A) side of the opposing portion (251).
5. Connector (1) according to claim 1, wherein,
The contact (10) is provided with a fixed holding part (10B) held by the fixed housing (20) and a movable holding part (10C) held by the movable housing (30),
A1 st bending part (C1) and a 2 nd bending part (C2) are formed between the fixed holding part (10B) and the movable holding part (10C),
The contact (10) is provided with:
A1 st section (101) extending from the fixed holding portion (10B) toward a side opposite to the reference surface (61A) to the 1 st curved portion (C1);
a2 nd section (102) extending from the 1 st bending section (C1) toward the reference surface (61A) and connected to the movable holding section (10C) via the 2 nd bending section (C2); and
A 3 rd section (103) extending from the movable holding section (10C) toward the opposite side of the reference surface (61A) to a connection section (10E), the connection section (10E) being connected to a contact (40) of a counterpart connector (4) to which the movable housing (30) is fitted,
In the 1 st section (101), a1 st bending part (B1) formed in a shape protruding toward the 2 nd section (102) is formed,
In the 2 nd section (102), a 2 nd bending portion (B2) formed in a shape protruding toward the 1 st section (101) is formed at a position further from the reference surface (61A) than the 1 st bending portion (B1) in the fitting direction (z) in which the movable housing (30) and the counterpart connector (4) are fitted.
6. Connector (1) according to claim 1, wherein,
The contact (10) is provided with a fixed holding part (10B) held by the fixed housing (20) and a movable holding part (10C) held by the movable housing (30),
A1 st bending part (C1) and a 2 nd bending part (C2) are formed between the fixed holding part (10B) and the movable holding part (10C),
The contact (10) is provided with:
A1 st section (101) extending from the fixed holding portion (10B) toward a side opposite to the reference surface (61A) to the 1 st curved portion (C1);
a2 nd section (102) extending from the 1 st bending section (C1) toward the reference surface (61A) and connected to the movable holding section (10C) via the 2 nd bending section (C2); and
A 3 rd section (103) extending from the movable holding section (10C) toward the opposite side of the reference surface (61A) to a connection section (10E), the connection section (10E) being connected to a contact (40) of a counterpart connector (4) to which the movable housing (30) is fitted,
A chamfer (212) is formed on the inner wall of the fixed housing (20), and the chamfer (212) is separated from the 1 st section (101) along the 2 nd direction (y) as approaching the 1 st bending part (C1) from the fixed holding part (10B).
7. Connector (1) according to claim 1, wherein,
The contact (10) is provided with a fixed holding part (10B) held by the fixed housing (20) and a movable holding part (10C) held by the movable housing (30),
A1 st bending part (C1) and a 2 nd bending part (C2) are formed between the fixed holding part (10B) and the movable holding part (10C),
The connector (1):
A ground contact connection member (17) which is in contact with a ground contact group (GG) of the contact (10) corresponding to a part of the 1 st row (R1) and a part of the 2 nd row (R2),
The ground contact connecting member (17) includes a plurality of contact portions (172), and the plurality of contact portions (172) are provided along the 1 st direction (x) at a portion (31A) of the movable housing (30) that faces the reference surface (61A) and are in contact with the 2 nd bent portion (C2) of the contact (10) constituting the ground contact group (GG).
8. A connector assembly (100) is provided with:
a 1 st connector (1) as the connector according to any one of claims 1 to 7; and
And a 2 nd connector (4) which is fitted to the movable housing (30) of the 1 st connector.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022-194863 | 2022-12-06 | ||
JP2022194863A JP2024081329A (en) | 2022-12-06 | 2022-12-06 | Connector and connector assembly |
Publications (1)
Publication Number | Publication Date |
---|---|
CN118156866A true CN118156866A (en) | 2024-06-07 |
Family
ID=89122143
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202311645001.7A Pending CN118156866A (en) | 2022-12-06 | 2023-12-04 | Connector and connector assembly |
Country Status (4)
Country | Link |
---|---|
US (1) | US20240186732A1 (en) |
EP (1) | EP4383467A1 (en) |
JP (1) | JP2024081329A (en) |
CN (1) | CN118156866A (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5590991B2 (en) * | 2010-06-30 | 2014-09-17 | 京セラコネクタプロダクツ株式会社 | connector |
JP7032094B2 (en) * | 2017-10-06 | 2022-03-08 | 京セラ株式会社 | Connectors and electronic devices |
JP6911091B2 (en) * | 2019-11-27 | 2021-07-28 | 京セラ株式会社 | Connector and electronics |
CN113346285B (en) | 2021-05-31 | 2023-04-11 | 上海航天科工电器研究院有限公司 | Electric connector and vehicle-mounted electronic device |
-
2022
- 2022-12-06 JP JP2022194863A patent/JP2024081329A/en active Pending
-
2023
- 2023-12-04 CN CN202311645001.7A patent/CN118156866A/en active Pending
- 2023-12-06 US US18/531,193 patent/US20240186732A1/en active Pending
- 2023-12-06 EP EP23214555.7A patent/EP4383467A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2024081329A (en) | 2024-06-18 |
EP4383467A1 (en) | 2024-06-12 |
US20240186732A1 (en) | 2024-06-06 |
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